General description Durable and versatile, the 1.5-13mm Key Chuck SDS-Plus Adapter features a classic three-jaw design that securely holds drill bits ranging from 1/16" to 1/2". This adapter transforms impact drivers into non-quick-change bits and drivers, allowing for quick and easy connections. Technical specifications Capacity range: 1.5 - 13 mm Mounting thread: 1/2"-20UNF Material: Solid carbon steel Installation Use the included wrench to easily open and close the three collets. The chuck requires a wrench to provide the torque needed to tighten and loosen the jaws. Usage Ideal for tightening and loosening collets. Caution: Cannot be used counterclockwise! Other information Non-slip design for secure handling.